Q: Is 3,449,985 a Composite Number?

Why is 3,449,985 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 3,449,985 can be evenly divided by 1 3 5 7 11 15 21 29 33 35 55 77 87 103 105 145 165 203 231 309 319 385 435 515 609 721 957 1,015 1,133 1,155 1,545 1,595 2,163 2,233 2,987 3,045 3,399 3,605 4,785 5,665 6,699 7,931 8,961 10,815 11,165 14,935 16,995 20,909 23,793 32,857 33,495 39,655 44,805 62,727 98,571 104,545 118,965 164,285 229,999 313,635 492,855 689,997 1,149,995 and 3,449,985, with no remainder.

Since 3,449,985 cannot be divided by just 1 and 3,449,985, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).